What challenges did workers face during the Progressive Era A. there weren't enough jobs for unskilled workers
B. new machines replaced skilled workers
C. only big cities had jobs for workers
D. many workers faced unsafe conditions at their jobs

Before tuberculosis was understood to be a communicable disease, and before the discovery of antibiotics to treat it, a major outbreak could kill or cripple a significant portion of a nation’s labor force. how would such an event affect the economy? illustrate the effect by dragging to shift either the aggregate demand curve or the long-run aggregate supply curve.

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a.a post on a social networking site about the undesired side-effects of different alternative medicinesb.a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec.an anonymous article on a medical website that claims the success of alternative medicined.a 2003 study conducted by a medical research center about the effects of alternative medicine

Marcy tests a solution with a strip of blue litmus paper. the paper turns red. the solution is acidic basic neutral